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Dropsonde

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Vaisala Dropsonde RD94

Vaisala Dropsonde RD94

The Vaisala Dropsonde RD94 is a general-purpose dropsonde for high-altitude deployment from a variety of aircraft. Slowed in its descent through the atmosphere by a special parachute, the RD94 measures the atmospheric profiles of pressure, temperature, relative humidity and wind from the point of launch to the surface.